diff --git a/README.md b/README.md
index ff5ce41..c7dc20d 100644
--- a/README.md
+++ b/README.md
@@ -5,13 +5,13 @@ Convert string/values to Boolean in JavaScript.
 ## Installing
 
 ```shell
-$ npm i booler --save
+$ npm i boolerjs --save
 ```
 
 ## Example
 
 ```js
-const booler = require('booler')
+const booler = require('boolerjs')
 
 console.log(booler('f')) // return false
 console.log(booler('t')) // return true
diff --git a/package.json b/package.json
index fd4e173..9ace955 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "booler",
+  "name": "boolerjs",
   "version": "0.0.1",
   "description": "Convert string to Boolean in JavaScript.",
   "main": "index.js",
diff --git a/src/booler.js b/src/booler.js
index 2b03645..523aebd 100644
--- a/src/booler.js
+++ b/src/booler.js
@@ -6,6 +6,8 @@
  * @param {*} val Value to parse.
  */
 const booler = (val) => {
+    // transform to string lower case.
+    val = val + "".toLowerCase();
     return val == 't' || val == 'true' || val == 1;
 }